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參數(shù)資料
| 型號： | MPC9446FA |
| 廠商： | MOTOROLA INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, PLASTIC, LQFP-32 |
| 文件頁數(shù)： | 7/7頁 |
| 文件大?。?/td> | 122K |
| 代理商： | MPC9446FA |
6
MPC9446
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
573
Figure 6. CCLK0,1 MPC9446 AC test reference for Vcc = 3.3V and Vcc = 2.5V
Pulse
Generator
Z = 50W
RT = 50
ZO = 50
RT = 50
ZO = 50
MPC9446 DUT
VTT
Figure 7. Output Transition Time Test
Reference
Figure 8. Propagation delay (tPD) test reference
Figure 9. Output–to–output Skew tSK(LH, HL)
Figure 10. Output Pulse Skew (tSK(P)) test reference
tF
tR
VCC=3.3V
VCC=2.5V
2.4
1.8V
0.55
0.6V
VCC
VCCB2
GND
VCC
VCCB2
GND
t(LH)
CCLK
QX
t(HL)
The pin-to-pin skew is defined as the worst case difference in
propagation delay between any two similar delay paths within
a single device
VCC
VCCB2
GND
VCC
VCCB2
GND
tSK(LH)
tSK(HL)
VCC
VCCB2
GND
VCC
VCCB2
GND
t(LH)
CCLK
QX
t(HL)
tSK(P) = | tPLH - tPHL |
Figure 11. Output Duty Cycle (DC)
Figure 12. Cycle–to–cycle Jitter
The time from the PLL controlled edge to the non controlled
edge, divided by the time between PLL controlled edges,
expressed as a percentage
VCC
VCCB2
GND
tP
T0
DC = tP/T0 x 100%
The variation in cycle time of a signal between adjacent cycles,
over a random sample of adjacent cycle pairs
TN
TJIT(CC) = |TN-TN+1|
TN+1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MPC9446FAR2 | 功能描述:時鐘驅(qū)動器及分配 FSL 1-10 LVCMOS Fanout Buffer RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| MPC9447 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
| MPC9447AC | 功能描述:時鐘緩沖器 2.5 3.3V 250MHz Clock Generator RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447ACR2 | 功能描述:時鐘緩沖器 FSL 1-9 LVCMOS Fanout Buffer RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| MPC9447D | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:3.3V/2.5V 1:9 LVCMOS Clock Fanout Buffer |
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